{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "202609"
              }
            ],
            "source": [
              "DESCRIPTION",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1945ec2ed224fc3a93b27ccdd88bc873a224e903"
            },
            {
              "fixed": "91ca045fc179f29bc7b7fe05cd852aea65310003"
            }
          ],
          "repo": "https://github.com/espnet/espnet",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-64f6-3gqc-r926"
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-502"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90777.json"
  },
  "details": "ESPnet before 202609 deserializes pretrained model checkpoints using torch.load with weights_only=False, allowing arbitrary code execution from attacker-supplied files. Attackers can craft malicious checkpoint files that execute code during deserialization when loaded through the initialization or fine-tuning path.",
  "id": "CVE-2026-90777",
  "modified": "2026-09-16T03:30:42.235672919Z",
  "published": "2026-09-13T11:42:27.045Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90777.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/espnet/espnet/releases/tag/v.202609"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/espnet/espnet/security/advisories/GHSA-64f6-3gqc-r926"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-90777"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/espnet-before-202609-remote-code-execution-via-unsafe-deserialization"
    },
    {
      "type": "FIX",
      "url": "https://github.com/espnet/espnet/commit/91ca045fc179f29bc7b7fe05cd852aea65310003"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/espnet/espnet"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/espnet/espnet/blob/v.202511/espnet2/torch_utils/load_pretrained_model.py#L99"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "ESPnet before 202609 Remote Code Execution via Unsafe Deserialization"
}